1. Improper disposal of waste can cause:
a) air pollution
b) water pollution
c) sickness and diseases
d) acid rain
e) flash floods

A Air pollution
1. Air pollution occurs when there are lots of gaseous waste materials in the air.
2. The gaseous waste materials include dust and smoke that contain harmful substances.
3. Smoke is released into the environment when forest are burnt or when fuels are burnt in vehicles and factories.
4. Air pollution can be caused by the following:
a) open burning
b) Burning of fuels in factories and motor vehicles
c) Forest fires
d) Spraying of insecticides and other chemical substances